Perhaps you should try some spelling variations:
thien van » thi van
cham thuc » nham thuc, pham thuc, tham thuc
toc sach » hoc sach, thuoc sach, nuoc sach
doc sach » hoc sach, nuoc sach, dac sac
van cham » van chat, van tham, va cham
vat dinh » va dinh, van dinh, vat sinh
dinh dat » dinh ket, dinh van, dinh lam
nang xa » nang x, lang xa, nang ma
dat cua » dai cua, day cua, mat cua
cua tre » cua te, cuu tre, cua triet

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) OR (doc sach)) ky nang xa hoi. thien van cham thuc vat dinh dat cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (doc sach)) ky nang xa hoi. thien van cham thuc vat dinh dat cua tre".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) OR (doc sach)) ky nang xa hoi. thien van cham thuc vat dinh dat cua tre*.